MacDon M205 - Page 457

214603 437 Revision A
Symptom
Problem
Solution Reference
Air conditioning not
cooling
Blower motor disconnected or
burned out
Contact Dealer. Contact Dealer
Air conditioning not
cooling
Switch contacts in thermostat
burned excessively, or sensing
element defective
Replace thermostat.
Contact Dealer.
Air conditioning not
cooling
Compressor partially or
completely seized
Remove compressor for service or
replacement.
Contact Dealer.
Air conditioning not
cooling
Condenser fins plugged Clean condenser.
5.7.3 Air
Conditioning
Condenser, page
307
Air conditioning not
cooling
Loose or broken compressor
drive belt
Replace drive belt and/or tighten to
specifications.
Tensioning Air
Conditioner (A/C)
Compressor Belt,
page 347 and
Replacing Air
Conditioner (A/C)
Compressor Belt,
page 347
Air conditioning not
cooling
Dirty filters
Clean fresh air and recirculation
filters.
Cleaning Engine
Air Filter Primary
Element, page 321
and Cleaning
Return Air
Cleaner/Filter,
page 306
Air conditioning not
cooling
Broken or disconnected
electrical wire
Check all terminals for loose
connections; check wiring for hidden
breaks.
—
Air conditioning not
cooling
Broken or disconnected
ground wire
Check ground wire to see if loose,
broken, or disconnected.
—
Air conditioning not
cooling
Expansion valve stuck in open
or closed position
Contact Dealer. Contact Dealer
Air conditioning not
cooling
Broken refrigerant line Contact Dealer. Contact Dealer
Air conditioning not
cooling
Leak in system
Contact Dealer. Contact Dealer
Air conditioning not
cooling
Compressor shaft seal leaking Contact Dealer. Contact Dealer
Air conditioning not
cooling
Clogged screen in receiver-
drier; plugged hose or coil
Contact Dealer. Contact Dealer
TROUBLESHOOTING